diff options
Diffstat (limited to 'thrdvar.h')
| -rw-r--r-- | thrdvar.h | 154 |
1 files changed, 83 insertions, 71 deletions
@@ -1,117 +1,129 @@ +/***********************************************/ +/* Global only to current thread */ +/***********************************************/ + /* Don't forget to re-run embed.pl to propagate changes! */ -/* Per-thread variables - The 'T' prefix is only needed for vars that need appropriate #defines -generated when built with or without USE_THREADS. (It is also used -to generate the appropriate the export list for win32.) */ +/* The 'T' prefix is only needed for vars that need appropriate #defines + * generated when built with or without USE_THREADS. It is also used + * to generate the appropriate export list for win32. + * + * When building without USE_THREADS, these variables will be truly global. + * When building without USE_THREADS but with MULTIPLICITY, these variables + * will be global per-interpreter. + * + * Avoid build-specific #ifdefs here, like DEBUGGING. That way, + * we can keep binary compatibility of the curinterp structure */ /* Important ones in the first cache line (if alignment is done right) */ -PERLVAR(Tstack_sp, SV **) +PERLVAR(Tstack_sp, SV **) /* top of the stack */ #ifdef OP_IN_REGISTER -PERLVAR(Topsave, OP *) +PERLVAR(Topsave, OP *) #else -PERLVAR(Top, OP *) +PERLVAR(Top, OP *) /* currently executing op */ #endif -PERLVAR(Tcurpad, SV **) +PERLVAR(Tcurpad, SV **) /* active pad (lexicals+tmps) */ + +PERLVAR(Tstack_base, SV **) +PERLVAR(Tstack_max, SV **) + +PERLVAR(Tscopestack, I32 *) /* scopes we've ENTERed */ +PERLVAR(Tscopestack_ix, I32) +PERLVAR(Tscopestack_max,I32) -PERLVAR(Tstack_base, SV **) -PERLVAR(Tstack_max, SV **) +PERLVAR(Tsavestack, ANY *) /* items that need to be restored + when LEAVEing scopes we've ENTERed */ +PERLVAR(Tsavestack_ix, I32) +PERLVAR(Tsavestack_max, I32) -PERLVAR(Tscopestack, I32 *) -PERLVAR(Tscopestack_ix, I32) -PERLVAR(Tscopestack_max,I32) +PERLVAR(Ttmps_stack, SV **) /* mortals we've made */ +PERLVARI(Ttmps_ix, I32, -1) +PERLVARI(Ttmps_floor, I32, -1) +PERLVAR(Ttmps_max, I32) -PERLVAR(Tsavestack, ANY *) -PERLVAR(Tsavestack_ix, I32) -PERLVAR(Tsavestack_max, I32) +PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */ +PERLVAR(Tmarkstack_ptr, I32 *) +PERLVAR(Tmarkstack_max, I32 *) -PERLVAR(Tretstack, OP **) -PERLVAR(Tretstack_ix, I32) -PERLVAR(Tretstack_max, I32) +PERLVAR(Tretstack, OP **) /* OPs we have postponed executing */ +PERLVAR(Tretstack_ix, I32) +PERLVAR(Tretstack_max, I32) -PERLVAR(Tmarkstack, I32 *) -PERLVAR(Tmarkstack_ptr, I32 *) -PERLVAR(Tmarkstack_max, I32 *) +PERLVAR(TSv, SV *) /* used to hold temporary values */ +PERLVAR(TXpv, XPV *) /* used to hold temporary values */ -PERLVAR(TSv, SV *) -PERLVAR(TXpv, XPV *) -PERLVAR(Tstatbuf, Stat_t) +PERLVAR(Tstatbuf, Stat_t) #ifdef HAS_TIMES -PERLVAR(Ttimesbuf, struct tms) +PERLVAR(Ttimesbuf, struct tms) #endif - -/* Now the fields that used to be "per interpreter" (even when global) */ /* Fields used by magic variables such as $@, $/ and so on */ PERLVAR(Ttainted, bool) /* using variables controlled by $< */ -PERLVAR(Tcurpm, PMOP *) /* what to do \ interps from */ -PERLVAR(Tnrs, SV *) -PERLVAR(Trs, SV *) /* $/ */ -PERLVAR(Tlast_in_gv, GV *) -PERLVAR(Tofs, char *) /* $, */ -PERLVAR(Tofslen, STRLEN) -PERLVAR(Tdefoutgv, GV *) +PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */ +PERLVAR(Tnrs, SV *) +PERLVAR(Trs, SV *) /* input record separator $/ */ +PERLVAR(Tlast_in_gv, GV *) /* GV used in last <FH> */ +PERLVAR(Tofs, char *) /* output field separator $, */ +PERLVAR(Tofslen, STRLEN) +PERLVAR(Tdefoutgv, GV *) /* default FH for output */ PERLVARI(Tchopset, char *, " \n-") /* $: */ -PERLVAR(Tformtarget, SV *) -PERLVAR(Tbodytarget, SV *) -PERLVAR(Ttoptarget, SV *) +PERLVAR(Tformtarget, SV *) +PERLVAR(Tbodytarget, SV *) +PERLVAR(Ttoptarget, SV *) /* Stashes */ PERLVAR(Tdefstash, HV *) /* main symbol table */ PERLVAR(Tcurstash, HV *) /* symbol table for current package */ -/* Stacks */ -PERLVAR(Ttmps_stack, SV **) -PERLVARI(Ttmps_ix, I32, -1) -PERLVARI(Ttmps_floor, I32, -1) -PERLVAR(Ttmps_max, I32) - -PERLVAR(Trestartop, OP *) /* Are we propagating an error from croak? */ -PERLVARI(Tcurcop, COP * VOL, &compiling) +PERLVAR(Trestartop, OP *) /* propagating an error from croak? */ +PERLVARI(Tcurcop, COP * VOL, &compiling) PERLVAR(Tin_eval, VOL int) /* trap "fatal" errors? */ PERLVAR(Tdelaymagic, int) /* ($<,$>) = ... */ -PERLVAR(Tdirty, bool) /* In the middle of tearing things down? */ +PERLVAR(Tdirty, bool) /* in the middle of tearing things down? */ PERLVAR(Tlocalizing, int) /* are we processing a local() list? */ -PERLVAR(Tcurstack, AV *) /* THE STACK */ -PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */ -PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */ -PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */ -PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */ +PERLVAR(Tcurstack, AV *) /* THE STACK */ +PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */ +PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */ +PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */ +PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */ /* statics "owned" by various functions */ -PERLVAR(Tav_fetch_sv, SV *) -PERLVAR(Thv_fetch_sv, SV *) -PERLVAR(Thv_fetch_ent_mh, HE) -PERLVAR(Tmodcount, I32) +PERLVAR(Tav_fetch_sv, SV *) /* owned by av_fetch() */ +PERLVAR(Thv_fetch_sv, SV *) /* owned by hv_fetch() */ +PERLVAR(Thv_fetch_ent_mh, HE) /* owned by hv_fetch_ent() */ + +PERLVAR(Tmodcount, I32) /* how much mod()ification in assignment? */ /* XXX Sort stuff, firstgv secongv and so on? */ /* XXX What about regexp stuff? */ /* Note that the variables below are all explicitly referenced in the code -as thr->whatever and therefore don't need the 'T' prefix. */ + * as thr->whatever and therefore don't need the 'T' prefix. */ #ifdef USE_THREADS -PERLVAR(oursv, SV *) -PERLVAR(cvcache, HV *) -PERLVAR(self, perl_os_thread) /* Underlying thread object */ -PERLVAR(flags, U32) -PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */ -PERLVAR(threadsvp, SV **) /* AvARRAY(threadsv) */ -PERLVAR(specific, AV *) /* Thread-specific user data */ -PERLVAR(errsv, SV *) /* Backing SV for $@ */ -PERLVAR(errhv, HV *) /* HV for what was %@ in pp_ctl.c */ -PERLVAR(mutex, perl_mutex) /* For the fields others can change */ -PERLVAR(tid, U32) +PERLVAR(oursv, SV *) +PERLVAR(cvcache, HV *) +PERLVAR(self, perl_os_thread) /* Underlying thread object */ +PERLVAR(flags, U32) +PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */ +PERLVAR(threadsvp, SV **) /* AvARRAY(threadsv) */ +PERLVAR(specific, AV *) /* Thread-specific user data */ +PERLVAR(errsv, SV *) /* Backing SV for $@ */ +PERLVAR(errhv, HV *) /* HV for what was %@ in pp_ctl.c */ +PERLVAR(mutex, perl_mutex) /* For the fields others can change */ +PERLVAR(tid, U32) PERLVAR(prev, struct perl_thread *) -PERLVAR(next, struct perl_thread *) /* Circular linked list of threads */ +PERLVAR(next, struct perl_thread *) + /* Circular linked list of threads */ #ifdef HAVE_THREAD_INTERN -PERLVAR(i, struct thread_intern) /* Platform-dependent internals */ +PERLVAR(i, struct thread_intern) + /* Platform-dependent internals */ #endif -PERLVAR(trailing_nul, char) /* For the sake of thrsv and oursv */ +PERLVAR(trailing_nul, char) /* For the sake of thrsv and oursv */ #endif /* USE_THREADS */ |